Deferred Revenues - (Additional Information) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
Deferred revenues	$ 262,000,000	$ 186,000,000
Deferred Revenue VOIs Under Construction
Disaggregation Of Revenue [Line Items]
Deferred revenues	$ 169,000,000	$ 84,000,000

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(5))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_DeferredRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant